diff --git a/src/check-signature.ts b/src/check-signature.ts
index 8730187..1dfec7f 100644
--- a/src/check-signature.ts
+++ b/src/check-signature.ts
@@ -25,11 +25,6 @@ const codesign = async (opts: NotarizeStapleOptions) => {
   return result;
 };
 export async function checkSignatures(opts: NotarizeStapleOptions): Promise<void> {
-  const fileExt = path.extname(opts.appPath);
-  if (fileExt === '.dmg' || fileExt === '.pkg') {
-    d('skipping codesign check for dmg or pkg file');
-    return;
-  }
   const [codesignResult, codesignInfo] = await Promise.all([codesign(opts), codesignDisplay(opts)]);
   let error = '';